Sawing-machine.



N0.'742,121.. v PATBNTBD'ocT.2o,19os.

G. KUNDMUBLLER.

SAWING MACHINE.

' .APPLICATION FILED APR. 18, 1903.

N0 MODEL.

TTI-il.

' mi"'Mmmm `UNITED STATES Patented October 20, 1&9036 PATENT OFFICE.

GEORGE KUNDMELLER, OF CLEVELAND, OHIO, ASSIGNOR O F ONE-HALF TOV JOHN N.HAHN, OF CLEVELAND, OHIO.

sAwlNc-MAoHINE.

SPECIFICATION forming part 01'. Letters Patent No.7425121, dated October20, 1903.

Application filed April 18,1903. Serial No. 153.280. (No model() To a/ZZwhom t may concern:

Beit known thatLGEoReE KUNDMUELLER, a citizen of the UnitedStates,residing at Cleveland, in the county of Cuyahoga and State of Ohio, haveinvented certain new and useful Improvements in Sawing-Machines; and Ido declare that the following is a full, clear, and exact description ofthe invention, which will enableothers skilled in the art to which itappertains to make and use the same.

My invention relates to sawing-machines;

and the object of the invention is to provide a machine which is adapted-to saw boards and other wood stuff into given lengths according to gageand in which there is a carrier for the stuif adapted to travel backand.

forth transversely across the machine, allsubstantially as shown anddescribed, and particularly pointed out in the claims.

In the accompanying drawings, Figure l is a plan view of the machine.Fig. 2 is a longitudinal sectional elevation thereof on linex, Fig. l;and Fig. 3 is a cross-section of the machine on'a line corresponding tos ya, Fig. 2. Fig. Llis a View of a detail, as hereinafter described.

The machine thus shown is adapted to be used in box and crate factories,especially where boards and wooden strips or pieces are to be cut intoexactly equal and'uniformY lengths and in which the lengths are to be`sents the main frame of the machine, which may have any suitable lengthand width and is of convenient working height, and a powerdriven shaft Bis supported centrally lengthwise within said frame A in suitable bearings in cross pieces orsupports b. Upon this shaft I preferablyprovidedifferential pulley 2 for a drive-belt, so as to work with whateverspeed I may desire, and upon the ends of the shaft B outside thetransverse supports b, as shown here, I fix disks or wheels D.

C represents a carriage which has tubular bearings o on its bottomadapted to slide on the 'f1 xed transverse rods or bars F, supported onstandards o'r arms 3 fromopposite sides on frame A and above the top ofthe same relatively, as shown. The said bearings are of asuitable lengthto cause them to slide freely and directly or in a straight line uponsaid rods or bars F and prevent cramping, and while said bearings areshown in this instance astubular and the rods F as round they may haveany other corresponding crosssectional pattern and serve my purpose aswell, provided they aorded a free sliding movement of the carriage C andhold the same freely to a direct transverse movement back and forthwithout swinging the carriage inits bearings, and thus causingirregularity in its operations. It is of the highest importance in thiswork to have the material cross-cut with uniformity and eX- actness.

G represents two slotted rocking levers having their fulcrum orpivot-points at their lower end s g and provided each with a lengthwiseslot 6, in which is engaged a feather 4,' itself loosely supportedeccentrically upon the face of disk D by a screw or pin 8, on which itis freely rotatable to adapt it to the movements of the bar. There isone such bar at each end of shaft B and wheel D, and they vibrate inunison and uniformly back and forth. Their upper ends' are connected bylinks 5 with the respective bearings or sleeves c on the carrier C, andthe said links While making position connections adapt bars G to anup-and-down play in respect to carrier-frame C as 'they swing acrossAtheir pivot-points to one side and Ithe other. It

follows that when shaft B and wheels D are revolved the eccentriclocation of the sliding feathers 4, running in slots 6 in'said bars G,will cause the carrier C to be moved to and fro across main frame A, andin its travel it traverses circular saw, so that whatever article may beplaced upon the carrier to be sawed it will be cut in two in the mannerand for purpose desired. Saw S is supported on an arbor 9, carryingasheave or pulley to apply power, and a table l2 over these partsreceives the cuttings from the saw. An adjustable gage l2'is shown,bywhich the lengths to be cut are determined. The throw of the carriagelaterally is determined by the upand-down adjustment of cross supportsor bars l), which carry shaft B and which are fixed at their ends byscrews 13 through slots It in the main frame. rlhe carriage is alsoadjustable up and down within limits by slots 15 and screws 16 forengaging arms or brackets 3, which support cross-rods F. This adjustmentis for the purpose of leveling up carriage C.

In the use of this machine I arrange to cut up stock ofconsiderablelength-say as high as twenty feet-and the product must beperfectly true to make the packages for which it is intended. I have,therefore, to be pl'epared to meet all conditions where a machine may beplaced to work, and leveling means are required which are independentand reliable and can be used regardless of conditions and to meet thesame as may occur. Hence the slotted and screw connections l5 and I6,respectively.

Any equivalent or eccentric or crank construction can be substituted forthe special construction of disk D here shown.

Rollers R serve to make easy the Vfeed of lumber on carrier C.

What I claim is 1. The main frame and the carriage thereon, transverseguideways ony the frame on which the carriage is slidably supported,separate arms supporting the four several ends of said guideways andmeans to adjust each of said arms independently of the others, wherebythe said carriage-is horizontally leveled, in combination with slottedlevers pivoted at their lower ends, separate sliding bearings on eachguideway connected with the said carriage front and rear, respectively,and a set of oppositely-disposed links connected with the upper ends ofsaid levers and with said sliding bearings, substantially as describedn2. The main frame and the laterally-slidable carriage thereon and avertically-disposed saw at one end of said carriage, in combination witha set of pivoted levers operatively connected with the ends of saidcarriage, a power-driven shaft, cross-pieces b adjustably supported onthe main frame and provided with bearings for said shaft, and eccentricconnections at the ends of said shaft with the said pivoted levers,whereby the lateral travel of the carriage can be regulated and the saidcarriage is operated, substantially as described.

fitness my hand to the foregoing specilication this 28th day of March,1903.

GEORGE K UNDMUELLER.

Witnesses:

R. B. Moenia, R. ZBORINK.

